A Randomized Blinded Retrospective Study: The Combined Use of Micro-Needling Technique, Low-Level Laser Therapy, and Autologous Non-Activated Platelet-Rich Plasma Improves Hair Re-Growth in Patients with Androgenic Alopecia

July 2020 in “ Expert Opinion on Biological Therapy ”

Pietro Gentile, Laura Dionisi, Jacopo Pizzicannella, Barbara De Angelis, Domenico De Fazio, Simone Garcovich

micro-needling low-level laser therapy autologous non-activated platelet-rich plasma androgenic alopecia hair density microneedling LLLT PRP

TLDR Using micro-needling, low-level laser therapy, and platelet-rich plasma together significantly improves hair growth in people with hair loss.

In a retrospective study conducted in 2020, 23 patients with androgenic alopecia were treated with a combination of micro-needling technique, low-level laser therapy, and autologous non-activated platelet-rich plasma. The treatment led to a significant increase in hair density at 12 weeks and 58 weeks post-treatment. Specifically, there was a 31 ± 2% increase in hair density at 12 weeks and an increase of 23.3 ± 3 hairs/cm² at 58 weeks compared to baseline. The study concluded that this combined treatment significantly improved hair re-growth in patients with androgenic alopecia.

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